TAP146992
SubstationNorth Carolina · DUKE ENERGY CAROLINAS, LLC
At a glance
TAP146992 is an electric transmission substation in North Carolina, on DUKE ENERGY CAROLINAS, LLC's transmission network. It is classified as distribution (69–115 kv) and connects 3 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #102120 | 100 kV | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 3.1 mi |
| #109470 | 100 kV | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 7.9 mi |
| #134090 | 100 kV | DUKE ENERGY CAROLINAS, LLC | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP146992, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| PLEASANT GARDEN | Substation-Adjacent | NC | Guilford County | 500 kV | 1,000 MW | 5.3 yrs | 66.1 |
| AXTON | Substation-Adjacent | VA | Martinsville city | 765 kV | 1,000 MW | 5.1 yrs | 65.8 |
| Maple Street Substation | Brownfield | VA | Martinsville | — | 9 MW | 5.1 yrs | 62.1 |
| UNKNOWN115021 | Substation-Adjacent | NC | Guilford County | 230 kV | 300 MW | 5.3 yrs | 61.8 |
| UNKNOWN115024 | Substation-Adjacent | NC | Guilford County | 230 kV | 300 MW | 5.3 yrs | 61.6 |
| TAP146707 | Substation-Adjacent | NC | Caswell County | 230 kV | 300 MW | 5.3 yrs | 61.4 |
| OZ Alamance | Greenfield | NC | Alamance | — | — | 5.3 yrs | 61.2 |
| EC Near High Point, Jackson Lake | Greenfield | NC | Guilford | — | — | 5.3 yrs | 61.0 |
Who owns the transmission lines at TAP146992?
The 3 connected lines listed above are owned by DUKE ENERGY CAROLINAS, LLC. Line voltages range from 100 kV to 100 kV. Their combined recorded length is about 11 miles.
How do candidate sites near TAP146992 score?
The 8 highest-scoring candidate sites within about 25 miles range from 61 to 66 on the 0–100 DC Readiness scale. They fall in Guilford County, Martinsville city, Martinsville, Caswell County. The North Carolina average across 2,778 scored sites is 55.1. 1,087 of those North Carolina sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP146992 substation?
TAP146992 has a maximum voltage of 100 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so TAP146992 is below the national midpoint.
How many transmission lines connect to TAP146992 substation?
3 transmission lines terminate at or pass through TAP146992 in the HIFLD line data. The connected lines listed here run at 100 kV. Together the listed lines cover about 11 miles.
Who owns TAP146992 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP146992 belong to DUKE ENERGY CAROLINAS, LLC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP146992 substation located?
TAP146992 is in North Carolina at 36.2921, -79.5707. The datacenter candidate sites closest to it are in Guilford County, Martinsville city, Martinsville.
Are there datacenter candidate sites near TAP146992 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP146992. The highest-scoring is PLEASANT GARDEN at 66/100. Across North Carolina, the average DC Readiness score is 55.1.
More in North Carolina
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “TAP146992 substation, North Carolina”, https://gridcensus.com/substations/north-carolina/tap146992-14701dff (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for TAP146992 substation, North Carolina is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.